Anthropic
Claude Fable 5.1 succeeds Claude Fable 5 at the same per-token price, with cache reads at a quarter of the cost and stronger long-running agentic coding, multistep research, and document, spreadsheet, and slide work.
1M tokens
Context
June 2026
Knowledge cutoff
128,000 tokens
Max output
Deliberate
Speed
Tuned to this model — click any line to copy.
The same subscription covers the image studio and video generation.



One subscription covers every model on NinjaChat, Claude Fable 5.1 included.